On Fri, 9 Jun 2006, Wakko Warner wrote:
> This RE might be better, but i haven't tested it much.
> ^[^.]+(?:\..*?)?\.[^.]{2,4}$
...
> It does block localhost.localdomain, and any string w/o a dot.
I feel obliged to point out that blocking "localhost.localdomain" does
cause false positives. I deal with several a year. I guess it is the
name a system thinks it has in out-of-the-box installs of some
Unix-alikes, which don't get otherwise properly configured.
In most cases I tell the complaining person to grumble at the system
operator and briefly explain the problem, copying them in if it is obvious
how to contact them. I rarely hear back, one way or the other, whether
the issue gets fixed, and I have only ever had to make one (temporary)
exception.
Jethro.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Jethro R Binks
Computing Officer, IT Services
University Of Strathclyde, Glasgow, UK
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